Plumb bob



FIG. 1 is a perspective view showing the top, front, and one side, the opposite side of which is a mirror image, of the present invention;

FIG. 2 is a side elevational view, the opposite side of which is a mirror image, of the invention shown in FIG. 1;

FIG. 3 is a front elevational view, the opposite side of which is a mirror image, of the invention shown in FIG. 1;

FIG. 4 is a sectional view taken along cut line 4--4 of the invention shown in FIG. 3;

FIG. 5 is a top plan view of the invention shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the invention shown in FIG. 1. 

The ornamental design for a plumb bob, as shown and described. 